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  1. chris mig

    alpha one w/485 srt 4cyl alinement issue

    So 2 years ago motor was pulled and deck was replaced, all new mounts were pressed in, all was fine, except when doing realinement I had to lower the front all the way down to get a good aline. So now this year just today I can not get a easy push in of the tool without force and is showing it...
  2. chris mig

    alpha 1 gen 1 trim cylinder identification

    from where to where do i measure
  3. chris mig

    485 Merc starting hard, running rough and wont idle

    First I will say what I have. 485 merc with pertronics, electric fuel pump. I have good fuel pressure, the carb was rebuild last Sept. and was running awesome for the 2 trips we had at end of season. I had 2 runs 2 weeks ago and ran perfectly, 1 run out last week was good as well but the next...
  4. chris mig

    oil pan bolts

    I am replacing my oil pan on a 485 merc and some of the bolts are rounded and also mix matched and want to replace them all with new, so should i just match them up at the hardware store or should i be getting actual oil pan bolts
  5. chris mig

    wiring problem 485 mercruiser

    So I have a 485 merc 1982, in a 1988 marlin. I have a single wire alt tied in at the starter solenoid, I did some rewiring and all was great till today. The motor would start but die as soon as i released the key. My issue is that i dont know the correct wiring schematic for this boat.I think i...
  6. chris mig

    starter solenoid

    so i have a 485 merc str 4 cyl and it has a solenoid on the block and one jumped out on the starter can i abandon the one on the block and simply use the one on the starter...the one on the block has a striped stud
  7. chris mig

    i keep tearing my u joint bellows

    So 2 seasons in a row i have accidentally started my engine with the mercruiser outdrive in the full up position, should there be a ignition kill switch that may have failed that I am unaware of it is a alpha one
  8. chris mig

    exhaust pipe leaking at transom plate

    So first dip in this year turned out not so good, found water in the bilge. On closer inspection I also heard a little exhaust leak, so just turned around hooked it up in complete disgust and took it home. So after work with a clearer head today, got down on starboard side by the shift cable and...
  9. chris mig

    485 crankcase oil

    so the valve cover on this 485 merc says sae 30 "which is not that easy to find in the large jugs" is this correct or is there a better grade
  10. chris mig

    carb rebuilding

    so my rebuild kit came with this thick base gasket with 3 holes one which goes to nothing so 2 of them go to manifold studs but i have four studs can i just drill out the other two holes? Why would they even do this? BTW IT IS A MERC 485 with a rochester 2 barrel carb
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